IFSTA 3 operating emergency vehicles

Question 1

What percent of firefighter injuries and deaths are caused by vehicle collisions responding to from emergency calls

page 59 2nd edition

Answer 1

20-25%

Question 2

What is the first step in starting a vehicle

3rd page 125

Answer 2

Disconnect all ground Shores

Question 3

How quickly should the oil pressure gauge indicate a reasonable amount of pressure

3rd page 125

Answer 3

5-10 seconds

Question 4

When driving manual transmission keep the Apparatus in low gear until ——— is reached before shifting into a higher gear

page 69 2nd edition

Answer 4

Proper speed

Question 5

When cruising in an apparatus do not try to reach rated speed in the

page 69 2nd edition

Answer 5

low gears

Question 6

When driving in Apparatus stay in the highest gear that allows the Apparatus to ——— and still have some power and reserve for acceleration

page 70 2nd edition

Answer 6

Keep up with traffic

Question 7

What should be avoided in order to reduce lugging (carbon build up in engine due to fuel being injected in engine at rate higher than can be burned off)

page 71 2nd edition
page 99 3rd edition

Answer 7

Over throttling

Question 8

To avoid over speeding as a result of improper downshifting or Hill descent choose a gear that allows the engine to operate at —— rpm lower than maximum recommended rpm

page 71 2nd edition

Answer 8

200-300 rpm

Question 9

Which of the following is not a consideration when stopping the Apparatus

Answer 9

Length of apparatus

Question 10

Which of the following provides most of the necessary slowing action when stopping an apparatus

page 71 2nd edition

Answer 10

engine brakes

Question 11

When an engine must be left to idle for an extended period of time at what rpm should it be set

page 72 2nd edition

Answer 11

900-1100 rpm

Question 12

If diesel engines are to be idling they should be set at what speed

page 72 2nd edition

Answer 12

High idle

Question 13

How long should you allow an engine to idle to lower engine temperature before shut down
page 95 2nd edition/page 95 3rd edition

Answer 13

3-5 min

Question 14

define visual lead time

3rd page 105

Answer 14

Time needed to stop the Apparatus order form and evasive maneuver at the current rate of speed

Question 15

Whenever a vehicle undergoes a change in speed or direction, weight transfer takes place relative to what
page 98 3rd edition

Answer 15

rate & degree of change

Question 16

Which braking system has a dry Road slippery road switch

page 82 2nd editon

Answer 16

Front brake limiting valve type

Question 17

Which braking system has a snow and mud switch

page 83 2nd edition

Answer 17

Antilock braking system with automatic transfer control

Question 18

Which direction on a slope of a hill become slippery first the eastern western southern or northern

page 84 2nd edition

Answer 18

Northern

Question 19

It takes —— times more distance for a vehicle to come to a complete stop on snow when ice than it does on dry concrete

page 99 3rd edition

Answer 19

3-15

Question 20

When more than one emergency vehicles responding along the same route travel at least —— to ———feet apart

page 85/86 2nd edition
page 101 3rd edition

Answer 20

300-500

Question 21

what type of Traffic control device use a strobe lights mounted on Apparatus to activate sensors in the traffic lights
3rd page 102

Answer 21

strobe Light activated preemption devices

Question 22

what is a drivers most important responsibility while operating the apparatus
page 84

Answer 22

To operate apparatus safely during routine driving and emergency response calls

Question 23

Which type of accident accounts for the significant percentage of all damage repair costs

Answer 23

Backing

Question 24

True or false
ABS braking systems and/or radial tires reduce brake fading

3rd page 87

Answer 24

false

Question 25

True or false an apparatus with a properly baffled water tank that is partially filled may be more dangerous than a full tank or empty tank page 88

Answer 25

True

Question 26

At what speed may an apparatus be driven while loading 4 inch diameter hose page 91

Answer 26

No greater than 5 mph

Question 27

what two things must a driver know when preparing to start the Apparatus 3rd page 94

Answer 27

destination | route

Question 28

define diesel particulate filter | page 94 3rd edition

Answer 28

filter which collects particles from exhaust and burns them off providing cleaner emissions

Question 29

failing to keep the diesel exhaust fluid tank full may reduce what? page 95

Answer 29

torque

Question 30

How often should the diesel exhaust fluid tank be filled | page 95

Answer 30

every time an apparatus is fueled

Question 31

define angle of approach | page 97

Answer 31

Angle formed by level ground and a line from the point where the front tires touch the ground to the lowest projection at the front of the apparatus

Question 32

define angle of departure | page 97

Answer 32

Angle formed by level ground and a line from the point where the rear tires touch the ground to the lowest projection at the rear of the vehicle

Question 33

define brake over angle | page 97

Answer 33

Angle formed by level ground and a line from the point where the tires touch the ground to the bottom of the frame at the wheel base point

Question 34

NFPA 1002 is what

Answer 34

Standard for fire apparatus driver operator professional qualifications third edition page 79

Question 35

NFPA 1901 what is it

Answer 35

Standard for automotive fire apparatus | 3rd edition page 90

Question 36

To what percent must personnel ensure axle load is balanced from side to side & front to back of apparatus? page 98 3rd edition

Answer 36

7%

Question 37

NFPA 1901 requires a placard in every apparatus to list what? page 99 3rd edition

Answer 37

Height in feet and weight in tons

Question 38

At what speed can an emergency vehicle outrun the effective range of an audible warning device page 101 3rd edition

Answer 38

50mph

Question 39

define braking distance | page 105 3rd edition

Answer 39

Distance vehicle travels from time brakes are applied until it comes to a complete stop

Question 40

define total stopping distance | page 105 3rd edition

Answer 40

Sum of the drivers reaction distance in vehicle braking distance

Question 41

define reaction distance | page 105 3rd edition

Answer 41

Distance vehicle travels while driver transfer is a foot from accelerator to brake pedal after perceiving need to stop

Question 42

what are the four types of auxiliary braking systems page 109 3rd edition

Answer 42

Exhaust brake | engine compression break transmission output retarder electromagnetic retarder

Question 43

at what speed should a Apparatus deploy hose during a layout page 120 3rd edition

Answer 43

5mph

Question 44

Restraints used to secure gear on Apparatus must be capable of straining equipment against a force of ——- times the equipments own weight? page 120 3rd edition

Answer 44

10 times

Question 45

hydraulic fluid pressurized to what psi can penetrate your skin page 122 3rd edition

Answer 45

100psi

Question 46

Define negligence | 3rd page 84

Answer 46

Breach of duty in which the person or organization fails to perform at the standard required by law or that would be expected to be reasonable person on earth similar circumstances

Question 47

define gross negligence | 3rd page 84

Answer 47

The willful and wanton disregard

Question 48

Vehicles with a gross vehicle weight rating of ——— or greater are required to be equipped with auxiliary braking systems 3rd page 109

Answer 48

36,000 lbs

Question 49

what 2 things should be done to regain control during a skid when vehicle is NOT equipped with ABS 3rd page 108

Answer 49

ease off the brake | straiten front wheels

Question 50

which 2 auxiliary braking systems provide the highest level of braking torque & are unaffected by transmission gear shift changes 3rd page 109

Answer 50

transmission out put retarders | electromagnetic retarders

Question 51

# define exhaust brake 3rd page 110

Answer 51

least capable | valve restricts flow of exhaust creating back pressure

Question 52

define engine compression break | 3rd page 110

Answer 52

Device that uses engine and transmission to impede the forward motion of the vehicle by Compression of the engine

Question 53

define electro magnetic retarder | 3rd page 110

Answer 53

Electro mounted in driveline or supplied as part of the rear axle when activated electromagnetic field is created in supplies electrical power to coils in the retarder inhibiting rotation of the rotor braking torque at the rear wheels

Question 54

define transmission retarders | 3rd page 110

Answer 54

viscous property of automatic transmission fluid is used to retard the driveline by introducing it to a housing and energy absorbed into the fluid through opposing action of spinner veins

Question 55

define automatic traction control | 3rd page 111

Answer 55

Automatically reduces engine torque and applies brakes to wheels that have lost traction and begin to spin transferring torque to the wheels that still have traction improving overall traction on slippery roads may be combined with antilock braking systems also has mud and snow switch

Question 56

define driver controlled differential lock | 3rd page 111

Answer 56

Switch enabling both wheels to turn at the same speed by locking differential maximizing traction

Question 57

define interaxle differential lock | 3rd page 111

Answer 57

action between rear tandem axles are creating one solid driveline between the rear axles resulting in more torque and better traction

Question 58

How far back from a vehicle should the spot to be standing

Answer 58

8-10’